Discover the world of 2D and 3D game programming in C# with XNA and Silverlight for Windows Phone 7 devices Windows Phone 7 Game Development Adam Dawes www.it-ebooks.info www.it-ebooks.info i Windows Phone 7 Game Development ■ ■ ■ Adam Dawes www.it-ebooks.info ii Windows Phone 7 Game Development Copyright © 2010 by Adam Dawes All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner and the publisher. ISBN-13 (pbk): 978-1-4302-3306-0 ISBN-13 (electronic): 978-1-4302-3307-7 Printed and bound in the United States of America 9 8 7 6 5 4 3 2 1 Trademarked names, logos, and images may appear in this book. 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The source code for this book is available to readers at www.apress.com. www.it-ebooks.info iii For Ritu and Kieran. www.it-ebooks.info iv Contents at a Glance ■Contents v ■About the Author xix ■About the Technical Reviewer xx ■Acknowledgments xxi ■Introduction xxii Part I: The Beginning 1 ■Chapter 1: Windows Phone and .NET 3 Part II: XNA 21 ■Chapter 2: Getting Started with XNA 23 ■Chapter 3: Creating a Game Framework 59 ■Chapter 4: User Input 99 ■Chapter 5: Sounding Out with Game Audio 147 ■Chapter 6: Drawing with Vertices and Matrices 159 ■Chapter 7: The World of 3D Graphics 211 ■Chapter 8: Further 3D Features and Techniques 257 ■Chapter 9: Enhancing Your Game 313 ■Chapter 10: The Application Life Cycle 333 Part III: Silverlight 351 ■Chapter 11: Getting Started with Silverlight 353 ■Chapter 12: Silverlight Controls and Pages 389 ■Chapter 13: Gaming with Silverlight 423 ■Chapter 14: Enhancing Your Silverlight Games 463 Part IV: Distribution 495 ■Chapter 15: Distributing Your Game 497 ■Chapter 16: Running on Other Platforms 517 ■Index 539 www.it-ebooks.info v Contents ■Contents at a Glance iv ■About the Author xix ■About the Technical Reviewer xx ■Acknowledgments xxi ■Introduction xxii Part I: The Beginning 1 ■Chapter 1: Windows Phone and .NET 3 Looking Closely at Visual Studio Development for Windows Phone 4 Language Choices 5 IDE Features 5 Windows Phone Platform 7 Using Visual Studio for Windows Phone Development 9 Installing Visual Studio 9 Creating a Windows Phone Project 11 Designing a Page 12 Running the Application 14 Running on a Real Device 14 Getting Help 18 Windows Phone Game Development 19 Suitable Games 19 Selecting an Application Framework 19 www.it-ebooks.info ■ CONTENTS vi Welcome to the World of Windows Phone Development 20 Part II: XNA 21 ■Chapter 2: Getting Started with XNA 23 What Is XNA? 23 Your First XNA Project 24 Creating the Project 24 Adding Some Content 25 Displaying the Graphic 26 Moving the Graphic 29 Examining the Solution in More Detail 31 Sprites in Detail 34 Supported Graphic Formats 34 Scaling 35 Rotation 37 Tinting 38 Partial Image Rendering 40 Layer Depth 41 Sprite Transparency 42 Alpha Tinting 44 Useful Sprite Effects 45 Setting a Background Image 45 Fading to Black 46 Fading between Images 48 Displaying Text 49 Font Support 49 Creating SpriteFont Objects 51 Displaying Text 52 Other Graphics Options 55 Rendering in Full Screen Mode 55 Supporting Portrait and Landscape Orientations 55 www.it-ebooks.info ■ CONTENTS vii Graphic Scaling 57  Suppressing Drawing 58 Experiment and Play with XNA 58 ■ Chapter 3: Creating a Game Framework 59 Designing the Game Framework 59 The GameObjectBase Class 60 The SpriteObject Class 60 The TextObject Class 64 The GameHost Class 66 The GameHelper Class 71 Using the Game Framework 71 Referencing the GameFramework Project 72 Setting Inheritance for the Main Game Class 73 Creating Derived SpriteObject Classes 73 Adding Game Objects to the Game Host 78 Removing Objects from the Game Host 80 Overriding Object Properties 80 Benchmarking and Performance 83 The BenchmarkObject Class 84 Using BenchmarkObject 85 Performance Considerations 86 Game in Focus: Cosmic Rocks (Part I) 89 Designing the Game 90 Creating the Graphics 90 Creating the Game Objects 91 Running the Game 97 Creating XNA Games 98 ■Chapter 4: User Input 99 Using the Touch Screen 99 Reading Raw Touch Data 100 www.it-ebooks.info ■ CONTENTS viii Reading Input Using the Touch Gestures 103  Sprite Hit Testing 108 Initiating Object Motion 119 Finger-Friendly Gaming 123 Reading the Keyboard and Text Input 124 Using a Hardware Keyboard 124 Prompting the User to Enter Text 127 Reading the Accelerometer 129 Initializing the Accelerometer 129 Using the Accelerometer Data 131 Simulating the Accelerometer in the Emulator 132 Game in Focus: Cosmic Rocks (Part II) 133 Making the Player’s Ship Shoot 134 Making the Player’s Ship Move 141 Implementing Hyperspace 143 Considering Input Design 145 ■Chapter 5: Sounding Out with Game Audio 147 Sound Effects and Music 147 Playing Sound Effects 147 Adding Sound Effects to your Project 148 Playing the Sound Effects 149 Integrating Sound Effects into the Game Framework 150 Sound Effect Instances 150 Other Sound Effect Properties 152 Obtaining Sound Effects for your Game 152 An Interactive Example 153 Playing Music 153 To Play or Not To Play 153 Adding Music to your Project 154 Playing the Music 155 www.it-ebooks.info [...]... Studio for Windows Phone Development Let’s take a look now at the steps required to begin development of Windows Phone games and applications Installing Visual Studio Installing Visual Studio for Windows Phone development is very easy If you do not already have a full version of Visual Studio installed, you can visit http://create.msdn.com to download Visual Studio 2010 Express for Windows Phone This... 529 Revisiting Some Example Projects 530 Developing Games for Windows Phone 7 and Windows 531 Running Silverlight Projects in the Browser 531 Differences between Silverlight and Silverlight for Windows Phone 532 Converting Projects from Windows Phone 7 532 Example Projects 5 37 Let’s Play… 538 ■Index 539 xviii... role-playing game on a train or simply want the few minutes of casual diversion that mobile gaming can provide while waiting for an appointment Windows Phone 7 Game Development aims to bring you the knowledge and techniques that you will need to create your own games for devices running the Microsoft’s powerful Windows Phone 7 operating system Starting with the basics of the platform and its development. .. PC-based application development This is not an introduction to programming or to Visual Studio itself You will, however, be given a complete guide to setting up the development environment for Windows Phone 7 programming, getting your first programs to compile, and interactively debugging your games as they run either on the Windows Phone 7 emulator included with the phone s free software development kit... Pages 469 Maintaining Game State 470 Game Settings 472 Creating a High Score Table 474 The High Score Table Classes 474 Instantiating the HighScores Object 476 Adding New Score Entries 477 Displaying the Scores 478 Playing Music and Sound Effects 479 Accessing the XNA Audio Library... Windows Phone development will appear Figure 1–3 shows the New Project window from Visual Studio 2010 Express for Windows Phone, containing just the Silverlight and XNA project template 9 www.it-ebooks.info CHAPTER 1 ■ WINDOWS PHONE AND NET Figure 1–3 Creating a new project in Visual Studio 2010 Express for Windows Phone Figure 1–4 shows the same window in Visual Studio 2010 Professional with the Windows. .. 371 Adding and Positioning Elements 371 The Document Outline Window 372 Using the Properties Window 373 Understanding Control Alignment 376 Colors and Brushes 378 Color Specifications 378 Brushes 379 Setting Colors in Code 386 Using Brushes Together 3 87 Exploring... Closely at Visual Studio Development for Windows Phone Let’s start by taking a look at the versions of Visual Studio that we can use for developing software for Windows Phone We can develop either using Visual Studio 2010 Express for Windows Phone, which is available free of charge, or by using one of the full versions of Visual Studio Both products will produce the same resulting games and applications... special capacitive styluses are available if you hunt around) The design of the Windows Phone operating system is based around touch input rather than stylus input, a decision that is consistent with most smartphone platforms and operating systems currently in production 7 www.it-ebooks.info CHAPTER 1 ■ WINDOWS PHONE AND NET Windows Phone devices will support multitouch, with a minimum of four distinct points... chapters tend to build on one another, so it is recommended that you read them in sequence to avoid knowledge gaps in later chapters Chapter 1 introduces Windows Phone 7 and using the Visual Studio 2010 development environment to create Windows Phone 7 games and applications It explains how to set up simple NET projects running against the emulator and real devices, explores debugging techniques, and . Dawes www.it-ebooks.info www.it-ebooks.info i Windows Phone 7 Game Development ■ ■ ■ Adam Dawes www.it-ebooks.info ii Windows Phone 7 Game Development. Discover the world of 2D and 3D game programming in C# with XNA and Silverlight for Windows Phone 7 devices Windows Phone 7 Game Development Adam Dawes www.it-ebooks.info www.it-ebooks.info